A 2-hour-old infant has ruddy skin and delayed capillary refill.What laboratory value best correlates with this condition?
A) Blood glucose is 38 mg/dL.
B) Blood glucose is 65 mg/dL.
C) Hematocrit is 42%.
D) Hematocrit is 72%.

Question

Quizplus · Accepted Answer

This infant has some characteristic signs of polycythemia (ruddy skin,delayed capillary refill).The diagnosis of this disorder is based on a hematocrit of 65% or greater.A hematocrit of 42% is low.Blood glucose is not related.

A 2-Hour-Old Infant Has Ruddy Skin and Delayed Capillary Refill